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Default value of read_size is min(1024**2, max_buffer_size)

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INADA Naoki 2012-07-20 02:05:43 +09:00
parent 53ca2bb648
commit 59c8b51e5b
1 changed files with 5 additions and 3 deletions
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8
msgpack/_msgpack.pyx
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@ -267,13 +267,13 @@ def unpack(object stream, object object_hook=None, object list_hook=None,
cdef class Unpacker(object):
"""
Streaming unpacker.
read_size is used like file_like.read(read_size)
`file_like` is a file-like object having `.read(n)` method.
When `Unpacker` initialized with `file_like`, unpacker reads serialized data
from it and `.feed()` method is not usable.
`read_size` is used as `file_like.read(read_size)`. (default: 1024**2)
`read_size` is used as `file_like.read(read_size)`.
(default: min(1024**2, max_buffer_size))
If `use_list` is true, msgpack list is deserialized to Python list.
Otherwise, it is deserialized to Python tuple. (default: False)
@ -329,7 +329,7 @@ cdef class Unpacker(object):
free(self.buf)
self.buf = NULL
def __init__(self, file_like=None, Py_ssize_t read_size=1024*1024, bint use_list=0,
def __init__(self, file_like=None, Py_ssize_t read_size=0, bint use_list=0,
object object_hook=None, object list_hook=None,
encoding=None, unicode_errors='strict', int max_buffer_size=0):
self.use_list = use_list
@ -340,6 +340,8 @@ cdef class Unpacker(object):
raise ValueError("`file_like.read` must be a callable.")
if not max_buffer_size:
max_buffer_size = INT_MAX
if not read_size:
read_size = min(max_buffer_size, 1024**2)
self.max_buffer_size = max_buffer_size
if read_size > max_buffer_size:
raise ValueError("read_size should be less or equal to max_buffer_size")